Roser Tarrago Aymerich, top, of Spain defends against Melissa Seidemann of the United States during a preliminary womens water polo match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. The teams tied 9-9.

Switzerlands Admir Mehmedi reacts at the end the mens group B soccer match between Mexico and Switzerland, at the Millennium stadium in Cardiff, Wales, at the 2012 London Summer Olympics, Wednesday, Aug. 1, 2012. Mexico won 1-0 and advances to the quarterfinals.

Honduras Jerry Bengtson, right, and Japans Maya Yoshida, left, try to control the ball during the group D mens soccer match between Japan and Honduras at the London 2012 Summer Olympics, in Coventry, England, Wednesday, Aug. 1, 2012.

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South African players, from left, Jonathan Robinson, Andrew Cronje and Timothy Drummond prepare for the penalty attempt by Britain during the mens hockey preliminary match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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Great Britains Richard Smith, right, puts his hands on his head in frustration following the 2-2 score in the mens hockey preliminary match against South Africa at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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South Koreas Ki Bo-bae waves to the crowd after a win during an elimination round of the individual archery competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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South Koreas Ki Bo-bae, left, is introduced as she prepares for a match against Belarus Ekaterina Tiomfeyeva during an elimination round of the individual archery competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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Spains head coach Luis Milla issues instructions to his players during their group D mens soccer match against Morocco at the London 2012 Summer Olympics, Wednesday, Aug 1, 2012, at Old Trafford Stadium in Manchester, England.

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Spains Inigo Martinez, right, fights for the ball against Moroccos Soufian El Hassnaoui during their group D mens soccer match at the London 2012 Summer Olympics, Wednesday, Aug 1, 2012 at Old Trafford Stadium in Manchester, England.

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Japans Ryo Tateishi starts in the mens 200-meter breaststroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012.

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U.S. gymnast John Orozco performs on the rings during the Artistic Gymnastic mens individual all-around competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

South Koreas Ki Bo-bae shoots during an elimination round of the individual archery competition at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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Gabons Emmanuel Ndong reacts to an official during their preliminary round Group B soccer match against South Korea at Wembley Stadium during the London 2012 Summer Olympics in London, Wednesday, August 1, 2012.

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Hungarys Daniel Gyurta reacts as he wins gold in the mens 200-meter breaststroke swimming final at the Aquatics Centre in the Olympic Park during the 2012 Summer Olympics in London, Wednesday, Aug. 1, 2012.

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A supporter of Thailand sings to entertain others at the entrance to the ExCel Centre venue at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

Jennifer Pareja Lisalde of Spain shoots a penalty against the United States during a preliminary womens water polo match at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

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The bike belonging to Luis Leon Sanchez Gil, of spain, rests on the ground near the starting line as, Sanchez Gil, second from right, had a mechanical problem at the start of his competition in the mens individual time trial event at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London.

Great Britains Barry Middleton tries to steal the ball from South Africas Jonathan Robinson in the mens hockey preliminary match against South Africa at the 2012 Summer Olympics, Wednesday, Aug. 1, 2012, in London. The match was tied at 2-2.